5 no special products
Although China has a large number of drying equipment factories, these plants are mainly concentrated in several regions. One of the important reasons why this situation is caused is that drying equipment is easy to copy, and dozens or even hundreds of companies produce the same model. Cause you can do what I can do, you can't do what I can't do. The brochures and promotional materials of each company are exactly the same, the content is strikingly similar, and patented products are rare, resulting in no special products for all manufacturers. Many drying equipment manufacturers produce the same model, the result is a price competition, the transaction is not backed by the technical content of equipment, but to win with low prices. It is well known that drying equipment is produced in one piece and in one piece. Each device has a certain amount of intellectual investment, and mental work is accompanied by the whole process of drying equipment manufacturing. However, in the economic negotiation with manufacturers, there is almost no technical content in the price of equipment, which means that the drying equipment is completely equivalent to general general equipment. However, the risk borne by dryer equipment manufacturers is much greater than other equipment. Without the economical accumulation of drying equipment manufacturers, there will be no technological development costs. It would be easy to imagine that no new aircraft will emerge in recent decades. On the other hand, unfavorable technology protection was also one of the important reasons for the low enthusiasm of developers. Drying equipment nameless brand products, developers have paid a lot of manpower, material resources and financial resources, but once the new model is introduced to the market, in a very short period of time there will be a number of imitation products, a new round of price competition to start again. As China's technological protection system is increasingly perfected, this phenomenon of disorderly competition will surely be curbed. It is believed that in the near future, China's drying equipment will be the key to winning with high technology content. The development of its own unique drying equipment, high-tech to promote the development of enterprises, in order to enable China's drying industry to embark on a healthy development.
6 special drug drying equipment
In our country, the era of large quantities of imported drying equipment has passed, but we are still unable to concentrate on the drying of special drugs. Whenever it is necessary to dry this medicine, domestic drying equipment is not easy to perform. There are mainly the following situations:
1 Drying of Highly Toxic Drugs The drying of highly toxic drugs mainly requires solving the problem of safe production. The technical difficulty is mainly the system setup, tail gas treatment, on-line monitoring of harmful components, and accidental treatment methods without reliable solutions. For example, the production equipment of some highly toxic pesticides and pharmaceuticals still depends on imports.
2 Drying of High-Temperature Drugs Some drugs require high-temperature polymerization reactions or other chemical reactions while drying. The material, structure, and heating equipment of such equipment are not technically mature and are currently not well resolved.
3 Drying of viscous drugs Some drugs, such as herbal extracts, have a certain viscosity before drying. Some drugs show a certain degree of stickiness during the drying process. We deal with this kind of drug more difficult, and there is no mature technology so far. The treatment of such drugs can only rely on imported equipment.
4 Drying of inflammable and explosive drugs Drying of flammable and explosive drugs mainly solves the problems of explosion protection and oxygen measurement. For example, drying of organic solvents containing drugs.
5 Drying of Low Melting Point Drugs Some chemical products, such as traditional Chinese medicines, have very low melting points and easily reach the softening point or melting point during the drying process. When the treatment is not performed, the drugs will degenerate. The drugs that enter the softening point will also produce viscous phenomena and the bonding equipment. . This kind of drug drying process adopts targeted control in different locations of the equipment to make the equipment run stably. Some drying equipment factories in Japan have rich experience in handling low-melting point pharmaceuticals.
6 Drying process Drugs with special phenomena In the vast majority of drying, dehydration of drugs is the main purpose. However, the properties of drugs in the dehydration process vary widely. Whenever there are special changes in drugs, the equipment used should be adjusted.
It can be said that when dealing with the above-mentioned drugs, domestic equipment still has a certain degree of technical difficulty. Such equipment is basically borne by equipment produced in Japan, Denmark, and other countries. This high-tech equipment brings a high economic return. In today's popular mass market drying equipment, price competition, today, the development of high-tech, domestic blank drying equipment is the most promising. Since the development of drying technology, there has been no major breakthrough in the theory of drying. Designing dedicated drying equipment for special drugs is an important task in the future.
7 backward equipment
A complete drying system consists of a variety of equipment. Drying is an integrated technique involving multiple disciplines. In addition to the technology of drying itself, it is inseparable from other aspects of knowledge. For example, heating systems involve heat exchange or combustion technologies; electrical appliances involve automatic control technologies; dust removal and purification systems involve heterogeneous separation technologies; and sometimes they also involve environmental protection knowledge. The combination of many existing equipment and various equipment is unreasonable. The phenomenon of so-called big horse-drawn cars is extremely common, causing unnecessary waste. Mainly in the system design, can not consider the relationship between various parameters and supporting equipment according to the actual situation. For example, convection dryers are designed with different locations in which the equipment is installed, the air volume and the heat load of the heat exchange equipment are not the same, resulting in different types of fans, and there are numerous examples. In addition, the level of standardization and serialization of equipment is also relatively backward, and the interchangeability is poor, that is, the interchangeability of equipment produced by the same manufacturer is not satisfactory. Some foreign manufacturers compile numbers of all products of the factory. As long as the user asks which number of parts, they can provide exactly the same parts as the original. Users can easily maintain the equipment. The reliability of the parameters given in the specifications of many domestic manufacturers is not high, and the equipment specifications are too rough and incomplete, which increases the difficulty of user selection. Another reason for the backwardness in the level of equipment is that the level of control and the level of mechatronics are not high. The issues related to this aspect have already been mentioned above, but there is not much discussion here.
9 The gap in design philosophy
The design of domestically-made drying equipment only considers the completion of this indicator, and foreign countries have already introduced humanized design ideas when designing equipment. The so-called humanized design is people-oriented, responsible for the user, from the perspective of the user to design the device. It can be noticed that every detail of the equipment is determined after careful consideration. Problems that may arise during the operation are evenly taken into account and structurally reflected by the designer. The operating position, observation hole, cleaning hole, cleaning method, inspection method, special tools, etc. are determined after repeated scrutiny, and are considered by the operator everywhere, so that the operator has no worries. In contrast, when we designed this idea was a little weak, the humanized design concept was not obvious, and the overall structure of the equipment was slightly rough. After solving the basic technology, the design idea should also pursue a higher level, and each structure of the equipment should be carved out. This kind of humanized design concept and aesthetic design point of view really deserve our study.
The above mentioned are all deficiencies in the design and manufacture of domestic drying equipment. However, it is not our country's drying equipment that is useless. Many drying experts are constantly working hard and exploring. We have to acknowledge the gap in the overall level. Finding gaps and acknowledging deficiencies is to clarify the direction of our efforts. Only by improving the technology and equipment design can we catch up with the world's advanced level. As an important equipment in the pharmaceutical process, the improvement of the drying technology and drying equipment level will play a positive role in improving the quality of medicines.
Although China has a large number of drying equipment factories, these plants are mainly concentrated in several regions. One of the important reasons why this situation is caused is that drying equipment is easy to copy, and dozens or even hundreds of companies produce the same model. Cause you can do what I can do, you can't do what I can't do. The brochures and promotional materials of each company are exactly the same, the content is strikingly similar, and patented products are rare, resulting in no special products for all manufacturers. Many drying equipment manufacturers produce the same model, the result is a price competition, the transaction is not backed by the technical content of equipment, but to win with low prices. It is well known that drying equipment is produced in one piece and in one piece. Each device has a certain amount of intellectual investment, and mental work is accompanied by the whole process of drying equipment manufacturing. However, in the economic negotiation with manufacturers, there is almost no technical content in the price of equipment, which means that the drying equipment is completely equivalent to general general equipment. However, the risk borne by dryer equipment manufacturers is much greater than other equipment. Without the economical accumulation of drying equipment manufacturers, there will be no technological development costs. It would be easy to imagine that no new aircraft will emerge in recent decades. On the other hand, unfavorable technology protection was also one of the important reasons for the low enthusiasm of developers. Drying equipment nameless brand products, developers have paid a lot of manpower, material resources and financial resources, but once the new model is introduced to the market, in a very short period of time there will be a number of imitation products, a new round of price competition to start again. As China's technological protection system is increasingly perfected, this phenomenon of disorderly competition will surely be curbed. It is believed that in the near future, China's drying equipment will be the key to winning with high technology content. The development of its own unique drying equipment, high-tech to promote the development of enterprises, in order to enable China's drying industry to embark on a healthy development.
6 special drug drying equipment
In our country, the era of large quantities of imported drying equipment has passed, but we are still unable to concentrate on the drying of special drugs. Whenever it is necessary to dry this medicine, domestic drying equipment is not easy to perform. There are mainly the following situations:
1 Drying of Highly Toxic Drugs The drying of highly toxic drugs mainly requires solving the problem of safe production. The technical difficulty is mainly the system setup, tail gas treatment, on-line monitoring of harmful components, and accidental treatment methods without reliable solutions. For example, the production equipment of some highly toxic pesticides and pharmaceuticals still depends on imports.
2 Drying of High-Temperature Drugs Some drugs require high-temperature polymerization reactions or other chemical reactions while drying. The material, structure, and heating equipment of such equipment are not technically mature and are currently not well resolved.
3 Drying of viscous drugs Some drugs, such as herbal extracts, have a certain viscosity before drying. Some drugs show a certain degree of stickiness during the drying process. We deal with this kind of drug more difficult, and there is no mature technology so far. The treatment of such drugs can only rely on imported equipment.
4 Drying of inflammable and explosive drugs Drying of flammable and explosive drugs mainly solves the problems of explosion protection and oxygen measurement. For example, drying of organic solvents containing drugs.
5 Drying of Low Melting Point Drugs Some chemical products, such as traditional Chinese medicines, have very low melting points and easily reach the softening point or melting point during the drying process. When the treatment is not performed, the drugs will degenerate. The drugs that enter the softening point will also produce viscous phenomena and the bonding equipment. . This kind of drug drying process adopts targeted control in different locations of the equipment to make the equipment run stably. Some drying equipment factories in Japan have rich experience in handling low-melting point pharmaceuticals.
6 Drying process Drugs with special phenomena In the vast majority of drying, dehydration of drugs is the main purpose. However, the properties of drugs in the dehydration process vary widely. Whenever there are special changes in drugs, the equipment used should be adjusted.
It can be said that when dealing with the above-mentioned drugs, domestic equipment still has a certain degree of technical difficulty. Such equipment is basically borne by equipment produced in Japan, Denmark, and other countries. This high-tech equipment brings a high economic return. In today's popular mass market drying equipment, price competition, today, the development of high-tech, domestic blank drying equipment is the most promising. Since the development of drying technology, there has been no major breakthrough in the theory of drying. Designing dedicated drying equipment for special drugs is an important task in the future.
7 backward equipment
A complete drying system consists of a variety of equipment. Drying is an integrated technique involving multiple disciplines. In addition to the technology of drying itself, it is inseparable from other aspects of knowledge. For example, heating systems involve heat exchange or combustion technologies; electrical appliances involve automatic control technologies; dust removal and purification systems involve heterogeneous separation technologies; and sometimes they also involve environmental protection knowledge. The combination of many existing equipment and various equipment is unreasonable. The phenomenon of so-called big horse-drawn cars is extremely common, causing unnecessary waste. Mainly in the system design, can not consider the relationship between various parameters and supporting equipment according to the actual situation. For example, convection dryers are designed with different locations in which the equipment is installed, the air volume and the heat load of the heat exchange equipment are not the same, resulting in different types of fans, and there are numerous examples. In addition, the level of standardization and serialization of equipment is also relatively backward, and the interchangeability is poor, that is, the interchangeability of equipment produced by the same manufacturer is not satisfactory. Some foreign manufacturers compile numbers of all products of the factory. As long as the user asks which number of parts, they can provide exactly the same parts as the original. Users can easily maintain the equipment. The reliability of the parameters given in the specifications of many domestic manufacturers is not high, and the equipment specifications are too rough and incomplete, which increases the difficulty of user selection. Another reason for the backwardness in the level of equipment is that the level of control and the level of mechatronics are not high. The issues related to this aspect have already been mentioned above, but there is not much discussion here.
9 The gap in design philosophy
The design of domestically-made drying equipment only considers the completion of this indicator, and foreign countries have already introduced humanized design ideas when designing equipment. The so-called humanized design is people-oriented, responsible for the user, from the perspective of the user to design the device. It can be noticed that every detail of the equipment is determined after careful consideration. Problems that may arise during the operation are evenly taken into account and structurally reflected by the designer. The operating position, observation hole, cleaning hole, cleaning method, inspection method, special tools, etc. are determined after repeated scrutiny, and are considered by the operator everywhere, so that the operator has no worries. In contrast, when we designed this idea was a little weak, the humanized design concept was not obvious, and the overall structure of the equipment was slightly rough. After solving the basic technology, the design idea should also pursue a higher level, and each structure of the equipment should be carved out. This kind of humanized design concept and aesthetic design point of view really deserve our study.
The above mentioned are all deficiencies in the design and manufacture of domestic drying equipment. However, it is not our country's drying equipment that is useless. Many drying experts are constantly working hard and exploring. We have to acknowledge the gap in the overall level. Finding gaps and acknowledging deficiencies is to clarify the direction of our efforts. Only by improving the technology and equipment design can we catch up with the world's advanced level. As an important equipment in the pharmaceutical process, the improvement of the drying technology and drying equipment level will play a positive role in improving the quality of medicines.